mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-07 15:03:34 +00:00
072e1d2910
- Fix sigsuspend() on XNU - Fix strsignal() on non-Linux - Add unit tests for strsignal() - Add unit tests for setitimer() - Add unit tests for sigsuspend() - Rewrite setitimer() for New Technology - Rewrite nanosleep() for New Technology - Polyfill SIGALRM on the New Technology - select(0,0,0,0) on NT now calls pause() - Remove some NTDLL calls that aren't needed - Polyfill SA_NOCLDWAIT on the New Technology - Polyfill SA_RESETHAND on the New Technology - Polyfill sigprocmask() on the New Technology - Polyfill SIGCHLD+SIG_IGN on the New Technology - Polyfill SA_RESTART masking on the New Technology - Deliver console signals from main thread on New Technology - Document SA_RESTART behavior w/ @sarestartable / @norestart - System call trace in MODE=dbg now prints inherited FDs and signal mask
59 lines
3.1 KiB
C
59 lines
3.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/bits/bits.h"
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#include "libc/bits/weaken.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/sig.internal.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/macros.internal.h"
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#include "libc/nt/struct/pollfd.h"
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#include "libc/nt/winsock.h"
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#include "libc/sock/internal.h"
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#include "libc/sock/yoink.inc"
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#include "libc/sysv/consts/poll.h"
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#include "libc/sysv/errfuns.h"
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textwindows int sys_poll_nt(struct pollfd *fds, uint64_t nfds, uint64_t ms) {
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int i, got, waitfor;
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struct sys_pollfd_nt ntfds[64];
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if (nfds >= ARRAYLEN(ntfds)) return einval();
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for (i = 0; i < nfds; ++i) {
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if (fds[i].fd >= 0) {
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if (!__isfdkind(fds[i].fd, kFdSocket)) return enotsock();
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ntfds[i].handle = g_fds.p[fds[i].fd].handle;
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ntfds[i].events = fds[i].events & (POLLPRI | POLLIN | POLLOUT);
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} else {
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ntfds[i].handle = -1;
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ntfds[i].events = POLLIN;
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}
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}
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for (;;) {
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if (_check_interrupts(false, g_fds.p)) return eintr();
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waitfor = MIN(__SIG_POLLING_INTERVAL_MS, ms); /* for ctrl+c */
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if ((got = WSAPoll(ntfds, nfds, waitfor)) != -1) {
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if (!got && (ms -= waitfor) > 0) continue;
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for (i = 0; i < nfds; ++i) {
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fds[i].revents = ntfds[i].handle < 0 ? 0 : ntfds[i].revents;
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}
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return got;
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} else {
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return __winsockerr();
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}
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}
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}
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